P. Micke

activity

20242026

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physics.atom-ph2026

Thorium-229 in its Highest Charge States: Single-Ion Nuclear Clocks for Tests of Fundamental Interactions

C. Brandau, P. Micke, I. Hartl +6

The prospects and the implementation of single-ion nuclear clocks of $^{229}$ Th $^{q +}$ ions in their highest charge states $q = 90, \dots, 87$ are discussed. Highly-ionized-thorium…

physics.atom-ph2024

Nonlinear calcium King plot constrains new bosons and nuclear properties

A. Wilzewski, L. I. Huber, M. Door +39

Nonlinearities in King plots (KP) of isotope shifts (IS) can reveal the existence of beyond-Standard-Model (BSM) interactions that couple electrons and neutrons. However, it is cru…

physics.atom-ph2024

Orders of Magnitude Improved Cyclotron-Mode Cooling for Non-Destructive Spin Quantum Transition Spectroscopy with Single Trapped Antiprotons

B. M. Latacz, M. Fleck, J. I. Jaeger +21

We demonstrate efficient sub-thermal cooling of the modified cyclotron mode of a single trapped antiproton and reach particle temperatures $T_{+} = E_{+} / k_{B}$ below $200$ mK in p…